{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41446", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-20T16:07:47.308Z", "datePublished": "2026-04-28T21:15:09.360Z", "dateUpdated": "2026-04-28T21:15:09.360Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-28T21:15:09.360Z"}, "title": "WattBox 800 & 820 Series < 2.10.0.0 RCE via Diagnostic Endpoints", "descriptions": [{"lang": "en", "value": "Snap One WattBox 800 and 820 series firmware versions prior to 2.10.0.0 contain undisclosed diagnostic HTTP endpoints that require only the device MAC address and service tag for authentication, both of which are printed in plaintext on the physical device label. Attackers with access to the device label or documentation containing these values can authenticate to the several endpoints and execute arbitrary commands as root on the device."}], "datePublic": "2026-03-19T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-912", "description": "CWE-912 Hidden Functionality", "type": "CWE"}, {"lang": "en", "cweId": "CWE-798", "description": "CWE-798 Use of Hard-coded Credentials", "type": "CWE"}]}], "affected": [{"vendor": "Snap One, LLC", "product": "WattBox 800", "versions": [{"status": "affected", "version": "0", "lessThan": "2.10.0.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Snap One, LLC", "product": "WattBox 820", "versions": [{"status": "affected", "version": "0", "lessThan": "2.10.0.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.2, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "references": [{"url": "https://help.snapone.com/wb-8x0-fw/Content/FW%20RN/8x0/8x0%20series%20FW%20RN.htm", "tags": ["release-notes", "patch"]}], "credits": [{"lang": "en", "value": "Anonymous", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Snap One WattBox 800 and 820 series firmware versions prior to 2.10.0.0 contain undisclosed diagnostic HTTP endpoints that require only the device MAC address and service tag for authentication, both of which are printed in plaintext on the physical device label. Attackers with access to the device label or documentation containing these values can authenticate to the several endpoints and execute arbitrary commands as root on the device."}], "id": "CVE-2026-41446", "lastModified": "2026-04-28T22:16:49.623", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-04-28T22:16:49.623", "references": [{"source": "disclosure@vulncheck.com", "url": "https://help.snapone.com/wb-8x0-fw/Content/FW%20RN/8x0/8x0%20series%20FW%20RN.htm"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}, {"lang": "en", "value": "CWE-912"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-29T01:14:38.507436+00:00", "value": {"mitigation_remediation": ["Update all affected WattBox 800 and WattBox 820 devices to firmware version 2.10.0.0 or later.", "Block external access to the diagnostic HTTP endpoints by configuring firewall or ACL rules to limit traffic to trusted management IP ranges.", "Remove or obfuscate the printed MAC address and service tag on the device label to reduce the ease of credential acquisition."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "Snap One WattBox 800 and Snap One WattBox 820 devices running firmware versions less than 2.10.0.0 are affected.", "description_and_impact": "Undisclosed diagnostic HTTP endpoints in Snap One WattBox 800 and 820 firmware versions before 2.10.0.0 allow authentication using only the device MAC address and service tag\u2014information printed on a physical label. Attackers who can read these values can log in and execute arbitrary commands as root, compromising device confidentiality, integrity, and availability through remote code execution. The weakness corresponds to mismanaged authentication and exposure of privileged credentials.", "risk_and_exploitability": "The CVSS score of 9.2 indicates critical severity. EPSS is not available and the vulnerability is not yet listed in the CISA KEV catalog. The likely attack vector requires physical or documented access to the device label to obtain the MAC address and service tag; once obtained, the attacker can exploit the endpoints without further credentials, making this risk high for any device in a network without proper segmentation."}}}}, "created": "2026-04-29T01:15:44.716620+00:00", "updated": "2026-04-29T01:15:44.716630+00:00", "vendors": []}